US Bridges

County RD 306 over Drain Dtch

Good

Stoddard County, Missouri · S 4 T 28 N R 11 E · Structure no. 12383

Built
1973
52 years old, rebuilt 1995
Condition
Good
inspected January 2025
Type
Culvert
Steel
Length
68 ft
2 main spans
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 306 over Drain Dtch is a steel culvert carrying County RD 306 over Drain Dtch in Stoddard County, Missouri. It was built in 1973 and reconstructed in 1995, so it is 52 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2043. The structure is 68 ft (20.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty RD 306
CrossesDrain Dtch
LocationS 4 T 28 N R 11 E
RouteCounty Highway 8
CountyStoddard County
StateMissouri
Coordinates37.11176, -89.83902
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic46 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 306 over Drain Dtch built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1995.

What condition is County RD 306 over Drain Dtch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does County RD 306 over Drain Dtch carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 306 over Drain Dtch?

The structure is 68 ft (20.7 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns County RD 306 over Drain Dtch?

It is owned by the County Highway Agency.